Leases - Finance and Operating Lease Maturities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Finance Leases
Remainder of 2022	$ 421
2023	465
2024	215
2025	117
2026	38
2027 and thereafter	0
Total minimum lease payments	1,256
Less amount representing interest	56
Present value of minimum lease payments	1,200
Less current portion	665
Long-term portion	535
Operating Leases
Less current portion	169,195	$ 158,631
Long-term portion	1,981,467	$ 1,751,351
Total Operating and Finance Lease Obligations
Remainder of 2022	144,632
2023	285,499
2024	271,272
2025	253,559
2026	226,972
2027 and thereafter	2,046,974
Total minimum lease payments	3,228,908
Less amount representing interest	1,077,046
Present value of minimum lease payments	2,151,862
Less current portion	169,860
Long-term portion	$ 1,982,002
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Long-Term Debt and Lease Obligation, Including Current Maturities	Long-Term Debt and Lease Obligation, Including Current Maturities
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Current maturities of long-term debt, net and finance leases	Current maturities of long-term debt, net and finance leases
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Long-term debt, net and finance leases, less current maturities	Long-term debt, net and finance leases, less current maturities
Aircraft and Spare Engine Leases
Operating Leases
Remainder of 2022	$ 141,250
2023	279,258
2024	267,172
2025	252,230
2026	225,970
2027 and thereafter	1,904,800
Total minimum lease payments	3,070,680
Less amount representing interest	944,235
Present value of minimum lease payments	2,126,445
Less current portion	164,532
Long-term portion	1,961,913
Property Facility Leases
Operating Leases
Remainder of 2022	2,882
2023	5,763
2024	3,885
2025	1,212
2026	964
2027 and thereafter	142,174
Total minimum lease payments	156,880
Less amount representing interest	132,754
Present value of minimum lease payments	24,126
Less current portion	4,572
Long-term portion	19,554
Other
Operating Leases
Remainder of 2022	79
2023	13
2024	0
2025	0
2026	0
2027 and thereafter	0
Total minimum lease payments	92
Less amount representing interest	1
Present value of minimum lease payments	91
Less current portion	91
Long-term portion	$ 0

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